<template>
  <div class="home">
    <div class="swiper-container">
      <div class="swiper-wrapper">
          <div class="swiper-slide" v-for="banner in banners"
          :key="banner.id"
          >
            <img :src="banner.imageUrl" alt="">
          </div>
      </div>
      <!-- 如果需要分页器 -->
      <div class="swiper-pagination"></div>

      <!-- 如果需要导航按钮 -->
      <div class="swiper-button-prev"></div>
      <div class="swiper-button-next"></div>
    </div>
    <div>vant:组件
      <van-button type="danger">危险按钮</van-button>
    </div>
  </div>
</template>

<script>
import { getBanners } from '@/api/home'
import Swiper from 'swiper'
import 'swiper/swiper.scss'
export default {
  name: 'Home',
  data () {
    return {
      banners: []
    }
  },
  created () {
    // 发起ajax请求
    getBanners()
      .then(res => {
        console.log(res)
        this.banners = res
        // 在下次dom更新后，创建swiper
        this.$nextTick(() => {
          /* eslint-disable-next-line */
            new Swiper ('.swiper-container', {
            autoplay: true,
            // direction: 'vertical', // 垂直切换选项
            loop: true, // 循环模式选项

            // 如果需要分页器
            pagination: {
              el: '.swiper-pagination'
            },

            // 如果需要前进后退按钮
            navigation: {
              nextEl: '.swiper-button-next',
              prevEl: '.swiper-button-prev'
            }
          })
        })
      })
  },
  mounted () {

  }
}

</script>

<style lang="scss" scoped>
  .home{
    .swiper-container {
    width: 100%;
    height: 0;
    padding-top: calc(100% * 378 /1008);
    position: relative;
    .swiper-wrapper {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      top: 0;
      img{
        height: 100%;
        width: 100%;
      }
    }
   }
  }
</style>
